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If A=|(1,2,2),(2,1,2),(2,2,1)|, verifty...

If `A=|(1,2,2),(2,1,2),(2,2,1)|,` verifty that `A^2-4A-5I-5I=0`

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If A=[[1,2,2],[2,1,2],[2,2,1]] , verify that : A^2-4A-5I=O

If A=[{:(1,2,2),(2,1,2),(2,2,1):}] , prove that A^(2)-4A-5I=O and hence, obtain A^(-1) .

If A=|{:(1,2,2),(2,1,2),(2,2,1):}| , then show that A^(2)-4A-5I_(3)=0 . Hemce find A^(-1) .

If A={:[(1,2,2),(2,1,2),(2,2,1)] , prove thst A^2-4A-5I = O and hence, obtain A^-1 .

If A [{:(1,2,2),(2,1,2),(2,2,1):}] , show that A^2 -4A -5I =0

If A = [(1,2,2),(2,1,2),(2,2,1)] then show that A^(2)-4A-5I = O .

If A=[(1, 2 ,2 ),(2 ,1 ,2),( 2 ,2, 1)] , then prove that A^2-4A-5I=O .

For the matrix A=[{:(1,2,2),(2,1,2),(2,2,1):}] . Show that A^2-4A-5I=0 Hence find A^(-1)

IF A=[{:(1,2,2),(2,1,2),(2,2,1):}] then show that A^2-4A-5I=O .